<?hh
/**
 * Copyright (c) 2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the "hack" directory of this source tree.
 *
 *
 */

function test(): void {
  switch ('') {
    case 'a':
      $x = 0;
      break;
    default:
      invariant_violation('bad bad');

  }
}
